<template>
    <div>
        <!--面包屑导航-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input
                        placeholder="请输入内容"
                        class="input-with-select"
                        v-model="queryInfo.query"
                        clearable
                        @clear="getGoodsList"
                    >
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!--商品列表表格-->
            <el-table :data="goodsList" style="width: 100%" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column prop="goods_name" label="商品名称" width="550"></el-table-column>
                <el-table-column prop="goods_price" label="商品价格(元)" width="120"></el-table-column>
                <el-table-column prop="goods_weight" label="商品重量" width="100"></el-table-column>
                <el-table-column label="创建时间">
                    <template slot-scope="scope">
                        {{ scope.row.add_time | dateFormat }}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="120">
                    <template slot-scope="scope">
                        <el-button
                            type="primary"
                            icon="el-icon-edit"
                            size="mini"
                            @click="goAddPage(scope.row.goods_id)"
                        ></el-button>
                        <el-button
                            type="danger"
                            icon="el-icon-delete"
                            size="mini"
                            @click="handleDelete(scope.row.goods_id)"
                        ></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[6, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
            ></el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            queryInfo: {
                query: '',
                pagenum: 1, // 当前的页数
                pagesize: 6 // 当前每页显示多少条数据
            },
            goodsList: [],
            total: 0,
            editGoods: {},
            dialogEditVisible: false
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        async getGoodsList() {
            const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
            if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.goodsList = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize) {
            // 监听每页条数的改变
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage) {
            // 监听页码值改变
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        handleDelete(id) {
            // 删除商品
            this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            })
                .then(async () => {
                    const { data: res } = await this.$http.delete('goods/' + id)
                    if (res.meta.status !== 200) {
                        return this.$message.error(res.meta.msg)
                    }
                    this.$message.success(res.meta.msg)
                    this.getGoodsList()
                })
                .catch(() => {
                    this.$message({
                        type: 'info',
                        message: '已取消删除'
                    })
                })
        },
        goAddPage(goodsId) {
            if (goodsId) {
                this.$router.push({ path: '/goods/add', query: { id: goodsId } })
            } else {
                this.$router.push('/goods/add')
            }
        }
    }
}
</script>

<style lang="less" scoped></style>
